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I have different metrices in prometheus counter_metrics a, couneter_metrices b and I want a singlestat for the count of all the different request metrics.
How am I able to fetch this?
(sum(couneter_metrics{instance="a,job="b"}))+
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Prometheus is a monitoring solution for storing time series data like metrics. Grafana allows to visualize the data stored in Prometheus (and other sources). This sample demonstrates how to capture NServiceBus metrics, storing these in Prometheus and visualizing these metrics using Grafana.
PromQL supports the ability to join two metrics together: You can append a label set from one metric and append it to another at query time. This can be useful in Prometheus rule evaluations, since it lets you generate a new metric for a series by appending labels from another info metric.
You can enable this by selecting the built in -- Mixed -- data source. When selected this will allow you to specify data source on a per query basis. This will, for example, allow you to plot metrics from different Graphite servers on the same Graph or plot data from Elasticsearch alongside data from Prometheus.
For the singlestat panel, you can just sum the two metrics and then add them together. Here is an example with two different metrics:
sum(prometheus_local_storage_memory_series) + sum(counters_logins)
Recommended reading, just in case you are doing anything with rates as well: https://www.robustperception.io/rate-then-sum-never-sum-then-rate/
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